Help & Support

Caller Display

How to use it:

If you have Caller Display activated on your line and you’re using a compatible phone, you can choose to view information about a caller before you answer a call.

To check whether your phone is set to display the caller's identity, dial *#234#.

To display the caller's identity on your phone, dial *234#.

Service

When Caller Display might not work:

The caller’s number may not be shown if:

  • A call is from outside the UK
  • A call is from a payphone
  • The caller has chosen to withhold their number
  • If you've turned off Caller Display by dialling #234#

How to get this free service:

Caller Display is free of charge, so just give us a call on 03300 24 27 77 if you would like this feature added.

Can't find what you're looking for?

While we've tried to cover the most important stuff, if you'd like to suggest a topic we'll be happy to add to the knowledge base. In the meantime, our technical support lines are always open!